CN100454008C - Method of measuring single solute solution concentration using compton scattering - Google Patents
Method of measuring single solute solution concentration using compton scattering Download PDFInfo
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- CN100454008C CN100454008C CNB2005100571314A CN200510057131A CN100454008C CN 100454008 C CN100454008 C CN 100454008C CN B2005100571314 A CNB2005100571314 A CN B2005100571314A CN 200510057131 A CN200510057131 A CN 200510057131A CN 100454008 C CN100454008 C CN 100454008C
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Abstract
The present invention relates to a method for measuring solution concentration by using compton scattering, particularly to a method for measuring solution concentration. The method of the present invention can be widely used for all industries of measure of solution concentration, and is especially used for measure of the solution concentration of chemical industry. The present invention has the technical scheme that equipment which is used for measure is selected, and the equipment which is used for measure is arranged; volumetric solution is prepared, a power supply is switched on, and the voltage of a probe is adjusted; the processing for a container is carried out, the compton scattering photon number of a hollow container is measured, the compton scattering photon sum of a container which is contained with the volumetric solution is measured, and the compton scattering photon sum of another container which is contained with the volumetric solution and has different concentration is measured; the average compton scattering photon number of the volumetric solution is counted to form a fitting straight line; the compton scattering photon sum of a container which is contained with solution to be measured is measured, the average value of the compton scattering photon number of the solution to be measured is counted, which is compared with the fitting straight line, and the concentration of the solution to be measured can be obtained. The measure position of the method is flexible, the purity of the solution to be measured can be kept, the environmental requirement for the solution to be measured is low, and the measuring precision is high.
Description
Technical field
The present invention relates to a kind of method of measuring solution concentration.Be widely used in the every profession and trade that relates to the solution concentration measurement, be used in particular for the measurement of chemical industry solution concentration.
Background technology
The method of conventional determining solution concentration has titrimetry, electromagnetic method, optical absorption method, supercritical ultrasonics technology.These methods have wants foul solution, and what have just measures its concentration with the special nature of some solution, and universality is poor, and the method that has is loaded down with trivial details.The radiation absorption method is measured solution concentration, and probe and radiographic source must be positioned at the both sides of solution to be measured, limited location.
From the domestic and international publication of present understanding, do not find to measure the scientific and technical literature report of the method for single solute solution concentration as yet with Compton scattering.
Device therefor is a prior art among the present invention, as radiographic source, flicker or direct ratio counting probe, multiple tracks or single-channel analyzer, counting assembly or computing machine and corresponding handling procedure UMS simulation software.
Summary of the invention
The object of the present invention is to provide a kind of method of measuring single solute solution concentration with Compton scattering.This method utilizes incident light photon and scatterer effect to produce Compton scattering, measures solution concentration based on the compton scattered photons number with the principle that the electron density of scatterer is directly proportional.This method measuring position is flexible, and method is easy, can keep the purity of solution to be measured, and is low to the environmental requirement of solution to be measured, the measuring accuracy height.
For achieving the above object, the step of this method is:
(1) selects radiographic source, probe, data recording and processing mechanism, wherein radiographic source is that the photon energy of radiation is x or the gamma ray projector of 0.005MeV-2.2MeV, probe is flicker or direct ratio counting probe, and the analyzer in the data recording and processing mechanism is multiple tracks or single-channel analyzer;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is at 30-3000mm, probe is 30-3000mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 0-180 °;
(3) respectively the compound concentration value is 0 to the volumetric solution between the saturation degree, and the solute of volumetric solution and solvent are identical with solution to be measured;
(4) open analyzer, data recording and processing mechanism power, regulating the probe high pressure by analyzer is 300-1000V, preheating 0.5-3 hour;
(5) select and adorn solution container material to be measured, shape, electrical condenser that size is identical, clean, dry, be chilled to room temperature;
(6) this electrical condenser is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring this electrical condenser in 10 seconds to 3 hours of popping one's head in, repeat to survey 1-4 time, with data recorder processing mechanism record and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with data recorder processing mechanism record and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with data recorder processing mechanism record and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure, write down and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container respectively, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of same solute variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of solution container to be measured is equipped with in duplicate measurements, with data recorder processing mechanism record and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
The present invention has following technique effect:
According to the present invention, we have measured the concentration of solution such as soda acid salt HCl, LiCl, KCl, KOH, NaOH, NaCl respectively, at the probe high pressure is that 600V, Measuring Time are under 600 seconds the situation, any twice data difference maximal value of finding the liquid of measurement same concentrations is 600 photon number, draw its error and be 1% to the maximum, promptly measure solution concentration with the present invention, precision is 1%, the measuring accuracy height.
This method environmental requirement is low, the measuring position is flexible, probe and radiogenic position can be positioned at the same side of solution to be measured simultaneously, also can be positioned at the difference survey of solution to be measured, and promptly the angle that become with line direction between objective table center and the center probe of ray incident direction can be arbitrary value; Easy of method needs to measure the standardizing of solution straight line for solution correspondence to be measured, just can measure the concentration of solution to be measured; The purity that can keep solution to be measured, ray only with scatterer in electron interaction, do not change the composition of solution; Good stability, easily realization control automatically.
Description of drawings
The schematic diagram of device of Fig. 1 the inventive method.
120 ° of Fig. 2 scattering angle, Measuring Time 600s, definite figure of NaOH solution scattered light subnumber and concentration standard straight line and solution concentration to be measured
90 ° of Fig. 3 scattering angle, Measuring Time 600s, definite figure of NaOH solution scattered light subnumber and concentration standard straight line and solution concentration to be measured
120 ° of Fig. 4 scattering angle, Measuring Time 600s, definite figure of KOH solution scattered light subnumber and concentration standard straight line and solution concentration to be measured
120 ° of Fig. 5 scattering angle, Measuring Time 600s, definite figure of KCl solution scattered light subnumber and concentration standard straight line and solution concentration to be measured
90 ° of Fig. 6 scattering angle, Measuring Time 600s, definite figure of KCl solution scattered light subnumber and concentration standard straight line and solution concentration to be measured
120 ° of Fig. 7 scattering angle, Measuring Time 600s, definite figure of NaCl solution scattered light subnumber and concentration standard straight line and solution concentration to be measured
90 ° of Fig. 8 scattering angle, Measuring Time 600s, definite figure of NaCl solution scattered light subnumber and concentration standard straight line and solution concentration to be measured
120 ° of Fig. 9 scattering angle, Measuring Time 600s, definite figure of HCl solution scattered light subnumber and concentration standard straight line and solution concentration to be measured
120 ° of Figure 10 scattering angle, Measuring Time 1200s, definite figure of LiCl solution scattered light subnumber and concentration standard straight line and solution concentration to be measured
In Fig. 1:
1 radiographic source, 2 screens, 3 collimating apparatuss, 4 objective tables
5 probe 6 multiple tracks or single-channel analyzer 7 computing machines
The angle that 8 ray incident directions are become with line direction between objective table center and the center probe
In Fig. 2,3,4,5,6,7,8,9,10:
The concentration indicating positions of representing NaOH to be measured, KOH, KCl, NaCl, HCl, LiCl solution respectively
Embodiment
By specific embodiments of the invention given below so that the present invention further clearly to be described.
Embodiment 1
With the method for Compton scattering measuring N aOH solution concentration, step is:
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to be the scintillation counting probe, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 120 °;
(3) the compound concentration value is respectively 0%, 5%, 10%, 15%, 20%, 25% NaOH volumetric solution;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, one of them adorns solution to be measured;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 600 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, with computer recording and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of solution container to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
Embodiment 2
With the method for Compton scattering measuring N aOH solution concentration, step is:
The 1st step is identical with the 1st step of embodiment 1;
The angle that is become with line direction between objective table center and the center probe except that the ray incident direction in the 2nd step is 90 °, and all the other all go on foot identical with the 2nd of embodiment 1;
The 3rd step was that the compound concentration value is respectively 0%, 5%, 10%, 15%, 20%, 25% NaOH volumetric solution;
4th, 5,6,7,8,9,10,11 steps are identical with the 4th, 5,6,7,8,9,10,11 steps of embodiment 1.
Embodiment 3
With the method for Compton scattering measurement KOH solution concentration, step is:
1st, 2 steps are identical with the 1st, 2 steps of embodiment 1;
The 3rd step was that the compound concentration value is respectively 0%, 5%, 10%, 15%, 20%, 25% KOH volumetric solution;
4th, 5,6,7,8,9,10,11 steps are identical with the 4th, 5,6,7,8,9,10,11 steps of embodiment 1.
Embodiment 4
With the method for Compton scattering measurement KCl solution concentration, step is:
1st, 2 steps are identical with the 1st, 2 steps of embodiment 1;
The 3rd step was that the compound concentration value is respectively 0%, 5%, 10%, 15%, 20%, 24% KCl volumetric solution;
4th, 5,6,7,8,9,10,11 steps are identical with the 4th, 5,6,7,8,9,10,11 steps of embodiment 1.
With the method for Compton scattering measurement KCl solution concentration, step is:
The 1st step is identical with the 1st step of embodiment 1;
The angle that is become with line direction between objective table center and the center probe except that the ray incident direction in the 2nd step is 90 °, and all the other all go on foot identical with the 2nd of embodiment 1;
The 3rd step was that the compound concentration value is respectively 0%, 5%, 10%, 15%, 20%, 24% KCl volumetric solution;
4th, 5,6,7,8,9,10,11 steps are identical with the 4th, 5,6,7,8,9,10,11 steps of embodiment 1.
Embodiment 6
With the method for Compton scattering measuring N aCl solution concentration, step is:
1st, 2 steps are identical with the 1st, 2 steps of embodiment 1;
The 3rd step was that the compound concentration value is respectively is 0%, 5%, 10%, 15%, 26% NaCl volumetric solution;
4th, 5,6,7,8,9,10,11 steps are identical with the 4th, 5,6,7,8,9,10,11 steps of embodiment 1.
Embodiment 7
With the method for Compton scattering measuring N aCl solution concentration, step is:
The 1st step is identical with the 1st step of embodiment 1;
The angle that is become with line direction between objective table center and the center probe except that the ray incident direction in the 2nd step is 90 °, and all the other all go on foot identical with the 2nd of embodiment 1;
The 3rd step was that the compound concentration value is respectively 0%, 5%, 10%, 15%, 26% NaCl volumetric solution;
4th, 5,6,7,8,9,10,11 steps are identical with the 4th, 5,6,7,8,9,10,11 steps of embodiment 1.
Embodiment 8
With the method for Compton scattering measurement LiCl solution concentration, step is:
1st, 2 steps are identical with the 1st, 2 steps of embodiment 1;
The 3rd step was that the compound concentration value is respectively 5%, 10%, 15%, 20% LiCl volumetric solution;
4th, 5 steps are identical with the 4th, 5 steps of embodiment 1;
The 6th step measured 1200 seconds differences except that measuring to change in 600 seconds, and all the other are all identical with the 6th step of embodiment 1;
7th, 8,9,10,11 steps are identical with the 7th, 8,9,10,11 steps of embodiment 1.
Embodiment 9
With the method for Compton scattering measurement HCl solution concentration, step is:
1st, 2 steps are identical with the 1st, 2 steps of embodiment 1;
The 3rd step was that the compound concentration value is respectively 2.5%, 5%, 15%, 20%, 36% HCl volumetric solution;
4th, 5,6,7,8,9,10,11 steps are identical with the 4th, 5,6,7,8,9,10,11 steps of embodiment 1.
Claims (10)
1. measure the method for single solute solution concentration with Compton scattering for one kind, it is characterized in that the step of this method is:
(1) select radiographic source, probe, analyzer, data recording and processing mechanism, wherein radiographic source is that the photon energy of radiation is x or the gamma ray projector of 0.005MeV-2.2MeV, pops one's head in to be flicker or direct ratio counting probe, and analyzer is multiple tracks or single-channel analyzer;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is at 30-3000mm, probe is 30-3000mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 0-180 °;
(3) respectively the compound concentration value is 0 to the volumetric solution between the saturation degree, and the solute of volumetric solution and solvent are identical with solution to be measured;
(4) open analyzer, data recording and processing mechanism power, regulating the probe high pressure by analyzer is 300-1500V, preheating 0.5-3 hour;
(5) select and adorn solution container material to be measured, shape, electrical condenser that size is identical, clean, dry, be chilled to room temperature;
(6) this electrical condenser is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring this electrical condenser in 10 seconds to 3 hours of popping one's head in, repeat to survey 1-4 time, with data recorder processing mechanism record and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with data recorder processing mechanism record and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with data recorder processing mechanism record and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of same solute variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with data recorder processing mechanism record and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
2. measure the method for single solute solution concentration according to claim 1 is described with Compton scattering, it is characterized in that method with Compton scattering measuring N aOH solution concentration:
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to pop one's head in for scintillation counting, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine and corresponding UMS simulation software in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 120 °;
(3) the compound concentration value is 0%, 5%, 10%, 15%, 20%, 25% NaOH volumetric solution respectively;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, one of them adorns solution to be measured;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 600 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, with computer recording and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
3. measure the method for single solute solution concentration according to claim 1 is described with Compton scattering, it is characterized in that method with Compton scattering measuring N aOH solution concentration:
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to pop one's head in for scintillation counting, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine and corresponding UMS simulation software in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 90 °;
(3) the compound concentration value is 0%, 5%, 10%, 15%, 20%, 25% NaOH volumetric solution respectively;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, one of them adorns solution to be measured;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 600 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, with computer recording and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, oven dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure number of times, under the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement, measuring method according to this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
4. measure the method for single solute solution concentration according to claim 1 is described with Compton scattering, it is characterized in that measuring the method for KOH solution concentration with Compton scattering:
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to pop one's head in for scintillation counting, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine and corresponding UMS simulation software in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 120 °;
(3) the compound concentration value is 0%, 5%, 10%, 15%, 20%, 25% KOH volumetric solution respectively;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, the special solution of surveying of one of them dress;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 600 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, with computer recording and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
5. measure the method for single solute solution concentration according to claim 1 is described with Compton scattering, it is characterized in that measuring the method for KCl solution concentration with Compton scattering:
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to pop one's head in for scintillation counting, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine and corresponding UMS simulation software in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 120 °;
(3) the compound concentration value is 0%, 5%, 10%, 15%, 20%, 24% KCl volumetric solution respectively;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, one of them adorns solution to be measured;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 600 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, write down and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, record is also preserved the compton scattered photons sum of each time measurement, obtains the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
6. measure the method for single solute solution concentration according to claim 1 is described with Compton scattering, it is characterized in that measuring the method for KCl solution concentration with Compton scattering:
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to pop one's head in for scintillation counting, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine and corresponding UMS simulation software in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 90 °;
(3) the compound concentration value is 0%, 5%, 10%, 15%, 20%, 24% KCl volumetric solution respectively;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, one of them adorns solution to be measured;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 600 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, with computer recording and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
7. measure the method for single solute solution concentration according to claim 1 is described with Compton scattering, it is characterized in that method with Compton scattering measuring N aCl solution concentration;
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to pop one's head in for scintillation counting, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine and corresponding UMS simulation software in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 120 °;
(3) the compound concentration value is 0%, 5%, 10%, 15%, 20%, 26% NaCl volumetric solution respectively;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, one of them adorns solution to be measured;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 600 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, with computer recording and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
8. measure the method for single solute solution concentration according to claim 1 is described with Compton scattering, it is characterized in that method with Compton scattering measuring N aCl solution concentration:
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to pop one's head in for scintillation counting, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine and corresponding UMS simulation software in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 90 °;
(3) the compound concentration value is 0%, 5%, 10%, 15%, 20%, 26% NaCl volumetric solution respectively;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, one of them adorns solution to be measured;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 600 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, with computer recording and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
9. measure the method for single solute solution concentration according to claim 1 is described with Compton scattering, it is characterized in that measuring the method for HCl solution concentration with Compton scattering:
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to pop one's head in for scintillation counting, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine and corresponding UMS simulation software in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 120 °;
(3) the compound concentration value is 2.5%, 5%, 15%, 20%, 36% HCl volumetric solution respectively;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, one of them adorns solution to be measured;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 600 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, with computer recording and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
10. measure the method for single solute solution concentration according to claim 1 is described with Compton scattering, it is characterized in that measuring the method for LiCl solution concentration with Compton scattering:
(1) select the gamma ray projector Cs-137 of energy 0.662Mev, probe to pop one's head in for scintillation counting, analyzer is the BH1324 multichannel analyzer, and displayed record is computing machine and corresponding UMS simulation software in the data recording and processing mechanism;
(2) central axis of radiographic source, collimating apparatus, objective table is placed successively on the same straight line on the worktable, the distance at radiographic source and objective table center is 500mm, probe is 500mm with the distance at objective table center, makes angle that the ray incident direction become with line direction between objective table center and the center probe at 120 °;
(3) the compound concentration value is 0%, 5%, 10%, 15%, 20%, 25% LiCl volumetric solution respectively;
(4) open analyzer, computer power supply, regulating the probe high pressure by analyzer is 600V, preheating 1 hour;
(5) cut-off directly be that two materials, shape, the size of 80mm is identical, acid and alkali-resistance, clean empty plastic bottle, one of them adorns solution to be measured;
(6) empty plastic bottle is placed the objective table center, make this container of alignment probe, open radiographic source, by each compton scattered photons number of measuring 1200 seconds these electrical condensers of popping one's head in, repeat to survey 3 times, with computer recording and preserve the compton scattered photons number of each time measurement, obtain the mean value of measurement;
(7) volumetric solution of preparation is injected this electrical condenser, go on foot under the identical condition at probe orientation, Measuring Time, measurement number of times and the above-mentioned the 6th, measure the compton scattered photons sum of volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(8) volumetric solution is poured out, clean, dry, be chilled to room temperature, the volumetric solution of another concentration of reinjecting, place the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of this volumetric solution and container, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement; According to the measuring method in this step, measure respectively, with computer recording and preserve the volumetric solution of remaining variable concentrations and the compton scattered photons sum of container, and obtain the mean value of the compton scattered photons sum of corresponding concentration respectively;
(9) calculate the mean value of compton scattered photons number of the volumetric solution of variable concentrations correspondence with subtraction, in rectangular coordinate system, make the coordinate that the corresponding with it compton scattered photons of each volumetric solution concentration is counted mean value, fit to straight line;
(10) container that solution to be measured will be housed places the objective table center, in the probe orientation, measure under number of times, the Measuring Time condition same as described above, measure the compton scattered photons sum of solution to be measured and container, the compton scattered photons sum of the container of solution to be measured is equipped with in duplicate measurements, with computer recording and preserve the compton scattered photons sum of each time measurement, obtain the mean value of measurement;
(11) calculate the mean value of the compton scattered photons number of solution to be measured with subtraction, corresponding concentration value on this mean value and the straight line in above-mentioned the 9th step is relatively drawn the concentration of solution to be measured.
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